@article{ref1,
title="General trends of ITS in the world: Key technology to improve traffic safety",
journal="IATSS research",
year="1998",
author="Shibata, J",
volume="22",
number="2",
pages="7-22",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}